Chronic Spinal Epidural Hematoma due to Repeated Epidural Block: A Case Report

A case of a patient diagnosed as the chronic spinal epidural hematoma in the lumbar region is reported. There was no history of trauma except the repeated epidural block for controlling the lower back pain at the pain clinic. The symptoms were occurred after epidural block and were exaggerated by repeated injections. Magnetic resonance imaging showed a spinal epidural mass located dorsolaterally at the level of L3-L4. After removal of the hematoma, the symptoms were completely relieved. The diagnosis of a chronic spinal epidural hematoma was confirmed with both operative and histological findings.